verb

• (computing) To perform lexical analysis; to convert a character stream to a token stream as a preliminary to parsing.
  "Once this is done, each processor parses and lexes its own documents, using conventional programming techniques."

noun

• (linguistics) A specific inflected form of a word; compare lexeme.

noun

• (history, uncommon) A Roman or Latin law (particularly in ancient Rome or in medieval Europe).
  "The 19th and 20th lines of the lex on the tablet (which decree the repeal of the rectigalia) seem to be conclusive in favour of this and against Rudorff's earlier theory."

name

• (informal) Lexington.
• (informal) Lexus.
  "Could've got the Beamer. I ain't really want it.[…]Man, I should've got the Lex. Dropped the top on em, I ain't wanna flex. Would've hit your girl, I ain't want the sex."